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What is different between JsonObject and JSONObject?
I am little bit confuse JsonObject and JSONObject and when we use put, add and addproperty method.
thanks in advance.
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This isnt base Java, those are Objects depending on the JSON-libary you are using. JSONObject is "native" to Android SDK, JsonObject is probably the one from Gson library, the one that I use. Two different package, don't work with both ;) choose one.
JSON is a string format. The data is only JSON when it is in a string format. When it is converted to a JavaScript variable, it becomes a JavaScript object.
JSON defines only two data structures: objects and arrays. An object is a set of name-value pairs, and an array is a list of values.
JsonObject class represents an immutable JSON object value (an unordered collection of zero or more name/value pairs). It also provides unmodifiable map view to the JSON object name/value mappings. A JsonObject instance can be created from an input source using JsonReader. readObject() .
The Android SDK provides JSONObject. This can be used by importing org.json.JSONObject.
The documentation for JSONObject is here.
Any other variant will be from a library or linked project. The exmaple given by cricket_007 is JsonObject from the Gson libraries. This can be used by importing com.google.gson.JsonObject.
The documentation for JsonObject is here.
Note the difference in import statement for JSONObject and JsonObject - they are different classes in different packages. They can have different methods and functionality, take different parameters etc, but ultimately they will do the same or similar thing (holding a Json Object's contents). It is up to you which you use. The JavaDoc for each will describe how to use it, and there are plenty of resources online for each.
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